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The mystery of rogue planets.

 The mystery of rogue planets.




There are at least 70 rogue planets uncovered in Milky Way. But the real number of those planets must be higher. We must remember that we see only a small part of the Milky Way. And more accurate systems are bringing new details for observation.

Rogue planets are lone planets that are planets that don't orbit any star. Those planets are lone nomads that are traveling across the universe. The thing is that the surface temperature of those planets is always near zero kelvin. And they are even colder than Pluto. 

The temperature of those planets is anyway higher than three kelvin because the impacts of particles can raise the temperature a couple of degrees. The three-kelvin degrees is the minimum temperature in nature. The reason for that is that the cosmic background is three-kelvin degrees. 

Because the temperature of the rogue planets is so low their surface is solid. The entire rogue planet is covered by frozen gas. But there are always metallic or silicon-based structures. There could be some kind of atmosphere around those planets and that atmosphere could be mainly hydrogen and helium. 


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The form of rogue planets 


1) The nova or supernova can push a planet away from its trajectory. In that case, the distant planet can survive the explosion of a dying star. 


2) The gravitational field of some star or another massive object can pull the planet away from its star. If the planet is far away from the star the other rogue planet can pull it out of the trajectory. 


3) The cosmic plasma- or energy beam can push planets away from their trajectories. When the cosmic energy beam hits the surface of the planet. That energy vaporizes part of it. Also, the plasma particles are pushing the planet. 


And if its mass is low it can start to fly across the universe. In this case. That planet has dep ocean the impacting energy ray can turn boiling material into the rocket jet that can move the entire planet. 


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The model for that is taken from Uranus and Neptune. The surface temperature of those two gas giants is about 53 degrees kelvin. And that means there are only a few gases that can remain as gas is so low temperature. But the temperature at the nomad planets is even lower. 

So the friction of hydrogen atoms and possible volcanic temperature is keeping the atmosphere in gas form. But that requires that there is something that maintains the volcanic temperature. Maybe that thing is the moon whose gravitational forces are causing the movement in the atmosphere. And that friction is keeping hydrogen as gas forms. There is the possibility that some rogue planets have the stone core. 

But when we are thinking about the form of the nomad planets their origin can be as the normal planet around some normal star. The distance of those planets to its star could be enormous. And then that star explodes as supernova or nova. The shockwave can push that kind of distant planet out of its trajectory. And that thing can be one of the explanations for rogue planets. 

If that thing is true the rogue planet is a very old object. And there is the possibility that there is no radioactive material in it. That means there could not be the volcanic temperature inside those planets. But the moons of that kind of planet can keep some gases liquid or even in gas forms because of the tidal forces. 

Another explanation could be that the gravitational force of massive objects like another star is pulling some planets away from their trajectories. In that case, even the young planet can turn to the rogue planet that travels around the universe. In some other explanation, the rogue planet would push away from its trajectory by some cosmic plasma beam. 

Those rogue planets can cause a threat if they arrive in the solar system.  Their gravitational effect pulls asteroids and even moons away from their trajectories. In that case, the mass of the rogue planet is small. The larger objects like two times Earth- or Jupiter's mass rogue planets can cause destructive disorders to the entire solar system. 

When that planet enters the solar system it pulls the large group of objects from the Kuiper belt. And when that rogue planet flyby other planets it can pull moons or entire planets away from their trajectory. The mass of those planets determines their effect. 


https://scitechdaily.com/mysterious-galactic-nomads-at-least-70-rogue-planets-uncovered-in-our-milky-way/


https://en.wikipedia.org/wiki/Neptune


https://en.wikipedia.org/wiki/Nova


https://en.wikipedia.org/wiki/Supernova


https://en.wikipedia.org/wiki/Uranus

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